These images from Alki Beach in West Seattle, captured by GeekWire’s Kevin Lisota, show the downtown Seattle skyline in blue, and the initials “PA” in lights on the Russell Investments Center from across Elliott Bay.

The tribute stretched across the region, to the Eastside and T-Mobile headquarters in Bellevue, Wash., where GeekWire’s Alan Boyle took this photo.

T-Mobile went from magenta to blue in honor of Paul Allen. (GeekWire Photo / Alan Boyle)

Other structures involved in the coordinated tribute include the Space Needle, the Great Wheel, Microsoft’s City Center Bellevue building, the Amazon Spheres, and CenturyLink Field, where Allen’s Seattle Seahawks will take on the San Diego Chargers on Sunday in the first home game since Allen died Oct. 15.

Nearby, Paul Allen’s Living Computers: Museum + Labs is lit up in blue, as well.

The effect is especially stunning at the Paul G. Allen School of Computer Science and Engineering at the University of Washington, home to the computer science and engineering school that also carries Allen’s name.

Dennis Wise / University of Washington Photo.

Even the Smithsonian Institution is taking part.

This weekend, the Seattle skyline is glowing blue to honor the life and accomplishments of Paul Allen. Following Seattle's lead, we will be illuminating SpaceShipOne, the privately developed space vehicle funded by Allen, in blue light. https://t.co/mHan93tZHQpic.twitter.com/WkFCPqpjMP

The Virginia Mason Athletic Center is part of a number of Pacific Northwest landmarks, buildings, and institutions that will be illuminated blue tonight and tomorrow in honor of @PaulGAllen. pic.twitter.com/fteL6BWkRv

In the Puget Sound region, homelessness is affecting many members of our community. That’s why GeekWire, Bank of America and Seattle Foundation are collaborating with five local nonprofits through our annualGeeks Give Back campaign to support those who are working hard to create meaningful change and make the region more inclusive and accessible for everyone in our community.